1478565113 has 2 divisors, whose sum is σ = 1478565114. Its totient is φ = 1478565112.

The previous prime is 1478565107. The next prime is 1478565149. The reversal of 1478565113 is 3115658741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970197904 + 508367209 = 31148^2 + 22547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1478565113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1478565163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739282556 + 739282557.

It is an arithmetic number, because the mean of its divisors is an integer number (739282557).

Almost surely, 2^1478565113 is an apocalyptic number.

It is an amenable number.

1478565113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478565113 is an equidigital number, since it uses as much as digits as its factorization.

1478565113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 1478565113 is about 38452.1145452367. The cubic root of 1478565113 is about 1139.2354350706.

The spelling of 1478565113 in words is "one billion, four hundred seventy-eight million, five hundred sixty-five thousand, one hundred thirteen".